📄 des_const.v
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/*##########################################################################---- ---- Module : DES_CONST.v ---- Last Update : 08/01/2001-- ---- Description : Key Schedule constants for 16 rounds ---- ---- ---- Designers : Steve Trimberger & Vikram Pasham ---- Company : Xilinx & Inc. ---- ---- ---- Disclaimer : THESE DESIGNS ARE PROVIDED "AS IS" WITH NO WARRANTY ---- WHATSOEVER AND XILINX SPECIFICALLY DISCLAIMS ANY ---- IMPLIED WARRANTIES OF MERCHANTABILITY & FITNESS FOR ---- A PARTICULAR PURPOSE, OR AGAINST INFRINGEMENT. ---- THEY ARE ONLY INTENDED TO BE USED BY XILINX ---- CUSTOMERS, AND WITHIN XILINX DEVICES. ---- ---- Copyright (c) 2000 Xilinx, Inc. ---- All rights reserved ---- ---- ---- ----########################################################################*////////////////////////////////////////////////////////////////////////////// Decryptor round definitions.///////////////////////////////////////////////////////////////////////////`define S1 5'b00001 // 1st round of DES of nth pass`define S2 5'b00010 // 2nd round of DES`define S3 5'b00011 // 3rd round of DES`define S4 5'b00100 // 4th round of DES`define S5 5'b00101 // 5th round of DES`define S6 5'b00110 // 6th round of DES`define S7 5'b00111 // 7th round of DES`define S8 5'b01000 // 8th round of DES`define S9 5'b01001 // 9th round of DES`define S10 5'b01010 // 10th round of DES`define S11 5'b01011 // 11th round of DES`define S12 5'b01100 // 12th round of DES`define S13 5'b01101 // 13th round of DES`define S14 5'b01110 // 14th round of DES`define S15 5'b01111 // 15th round of DES`define S16 5'b10000 // 16th round of DES⌨️ 快捷键说明
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